There was a 20% chance that you would be employed as a prostitute if you were a woman in the "Old American West”.  
In the Old American West, the mining population was composed of 95% young and male people so a high demand during that time was female companionship. Saloons also doubled as a brothel during this time.
 
        
             
        
        
        
The best option in terms of the Gentleman’s Agreement of 1907 would be that "<span>The United States would not segregate Japanese immigrants, and Japan would not allow further emigration to the United States," although it had less to do with segregation and more to do with not allowing more Japanese into the US. </span>
        
                    
             
        
        
        
The allied nation consisted of the United States, Great Britain, U.S.S.R (Russia), Australia, France and many more...i hope i helped